The official Pokémon Tretta website has revealed that a Rotom will be distributed to players of Pokémon X and Y. While playing Pokémon Tretta Set 3, people can use the StreetPass function on their Nintendo 3DS to lure out the Rotom that has climbed into the Tretta machine. Once players have used StreetPass to build up enough electric power, they'll be given a Rotom from the Tretta Machine to their copy of Pokémon X or Y via local WiFi Mystery Gift. Having the games Pokémon X and Y, The Thieves and the 1000 Pokémon and Pokémon Battle Trozei installed on the players Nintendo 3DS can help fill the gauge up faster. Rotom will be available from October 15th, 2014 for the entire duration of Set 3.

The Rotom that is being distributed is: Level 10, has the OT Tretta (トレッタ), has the ability Levitate, is stored in a Cherish Ball and knows the moves: Shock Wave, Astonish, Trick and Thunder Wave.


Source: http://www.pokemontretta.com/event/e140912_1/index.html

The Pokémon Tretta Set 3: Search for the Ultimate Partners!

The Pokémon Tretta Set 3: Search for the Ultimate Partners! (ザ・ポケモントレッタ 03弾 さがせ！さいきょうのなかま) will be available in Japanese arcades starting on September 25th, 2014. The Legend class Dialga appears as well as the Master class Lizardon and Bangiras who can Mega Evolve. The Combo mark returns with the Meowstic Tretta's and it allows players to use two specific Pokémon together to perform a combo attack.


Source: http://www.pokemontretta.com/tretta/t12/index.html